It's wifi calling. If you don't want it running, go into applications, find Sprint hub and tap the Disable button. (But if you lose the Sprint signal in some places, you should leave it on - if you can get a wifi signal in those places.)
It's wifi calling. If you don't want it running, go into applications, find Sprint hub and tap the Disable button. (But if you lose the Sprint signal in some places, you should leave it on - if you can get a wifi signal in those places.)